通過
jxl.jar讀寫Excel:
package com.pub.util;
import java.io.File;
import java.io.IOException;
import java.util.Vector;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;
public class ExlUtil {
public static Vector readExl(String fileName) {
Vector vec1 = null;
Vector vec2 = new Vector();
File f = new File(fileName);
try {
// 構建Workbook對象, 只讀Workbook對象
Workbook workbook = Workbook.getWorkbook(f);
// 獲取第一張Sheet表
Sheet sheet = workbook.getSheet(0);
// 獲取行數
int rows = sheet.getRows();
// 獲取列數
int columns = sheet.getColumns();
for (int i = 0; i < rows; i++) {
vec1 = new Vector();
for (int j = 0; j < columns; j++) {
// 獲取j列i行的值
String cbxmdm = sheet.getCell(j, i).getContents();
if (cbxmdm == null)
cbxmdm = "";
vec1.add(cbxmdm);
}
if (vec1 != null)
vec2.add(vec1);
}
} catch (BiffException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return vec2;
}
public static void writeExl(String fileName, Vector vec) {
WritableWorkbook book = null;
WritableSheet sheet = null;
try {
book = Workbook.createWorkbook(new File(fileName));
// 生成名為“第一頁”的工作表，參數0表示這是第一頁
sheet = book.createSheet("第一頁", 0);
// 打開文件
for (int i = 0; i < vec.size(); i++) {
// 在Label對象的構造子中指名單元格位置是第一列第一行(0,0)
Vector vec2 = (Vector) vec.get(i);
for (int j = 0; j < vec2.size(); j++) {
// 第i行第j列
Label label = new Label(j, i, (String) vec2.get(j));
// 將定義好的單元格添加到工作表中
sheet.addCell(label);
}
}
// 寫入數據并關閉文件
book.write();
book.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
ExlUtil.writeExl("f:/new.xls", ExlUtil.readExl("f:/xx.xls"));
}
}
posted on 2008-01-21 16:37
一凡 閱讀(397)
評論(0) 編輯 收藏 所屬分類:
JAVA 基礎